Slip casting alumina with Na-CMC
Journal Article
·
· American Ceramic Society Bulletin
OSTI ID:409689
- Univ. of New South Wales, Sydney, New South Wales (Australia)
Many forming methods are in common use for engineering ceramics. Of these, slip casting is an ideal forming method because of its low cost, simplicity and flexibility, potential for uniform particle packing and suitability to the production of articles of intricate shape. Slip casting nonclay materials, such as alumina, requires the use of both a deflocculant and a binder. There are many commercially available deflocculants and binders that can be tested in alumina casting slips. However, determination of a suitable deflocculant/binder combination and quantification of the optimal additions of the deflocculant/binder pair can be time consuming. Certain deflocculants are capable of acting as binders. One such additive is sodium carboxymethylcellulose (Na-cmc), a cellulose ether. Na-cmc is a powerful binder. It is a member of the carbohydrate binder group--the binder group with the strongest binding power. It is capable of acting as a deflocculant in glazes and nonclay casting slips.
- OSTI ID:
- 409689
- Journal Information:
- American Ceramic Society Bulletin, Journal Name: American Ceramic Society Bulletin Journal Issue: 11 Vol. 75; ISSN 0002-7812; ISSN ACSBA7
- Country of Publication:
- United States
- Language:
- English
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